drm/amdgpu: Implement DPC recovery
authorAndrey Grodzovsky <andrey.grodzovsky@amd.com>
Wed, 29 Jul 2020 16:59:45 +0000 (12:59 -0400)
committerAlex Deucher <alexander.deucher@amd.com>
Tue, 15 Sep 2020 21:24:32 +0000 (17:24 -0400)
commitc9a6b82f45e261d247b980a7949aaa6a9bfffe01
tree270865d982e526b8388fe80900371193577fe588
parent2a9787dcf537d0e4f1fa41cbd883abe9d70b9fcb
drm/amdgpu: Implement DPC recovery

Add PCI Downstream Port Containment (DPC) with
basic recovery functionality

v2: remove pci_save_state to avoid breaking suspend/resume
v3: Fix style comments
v4: Improve description.

Signed-off-by: Andrey Grodzovsky <andrey.grodzovsky@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drivers/gpu/drm/amd/amdgpu/amdgpu.h
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c